Adding attachment for type-writing machines.



PATENTED JUNE 23, 1903.

A. C. SCHUMANJ ADDING ATTACHMENT FOR TYPE WRITING MACHINES.

APPLICATION FILED APR. 9, 1902.

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PATENTED JUNE 23, 1903.

A. G. SGHUMAN. ADDING ATTACHMENT FOR TYPE WRITING MACHINES.

APPLIOATION FILED APR. 9,, 1902.

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PATENTED JUNE 23, 1903 A. G. SGHUMAN. ADDING ATTACHMENT FOR TYPE WRITING MACHINES.

APPLICATION PTLED APR. 9. 1902 4 BHEETSBBEET 3-.

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PATENTEIJ JUNE 23, 1903.

A. G. SGHUMAN. ADDING ATTACHMENT FOR TYPE WRITING MACHINES.

APPLICATION FILED APR. 9, 190 2.

4 SHEETS-SHEET 4.

I0 MODEL.

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UNITED STATES Patented June 23, 1903.

' PATENT OF ICE.

AL JXANDER C. SCHUMAN, OF LOUISVILLE, KENTUCKY, ASSIGNOR TO SPALDING COLEMAN, OF LOUISVILLE, KENTUCKY.

ADDING ATTACHMENT FOR TYPE-WRITING MACHINES.

SPECIFICATION forming part of Letters Patent No. 731,958, dated June 23, 1903.

' Application filed April 9,1902. Serial No. 102,104. (No model.)

To all whom it may concern:

Be it known that I, ALEXANDER C. SCHU- MAN, of Louisville, in the county of J eiferson and State of Kentucky, have invented certain new and useful Improvements in Adding Attachments forType JVriting Machines; and I hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, which form part of this specification.

This invention is an adding attachment for type-writing machines, and is especially applicable to keybar machines, such as the Remington, Caligraph, and other well-kn own type-writing machines now 011 the market.

The object of the invention is to provide a simple attachment applicable to this class of type-writin g machines, by which the amounts of items written or tabulated on the typewriter may at will be simultaneously registered, so that the operator at any time can determine the total sum of the items.

The present invention briefly comprises a movable series of registering-wheels adapted when set in operative position to be moved past an actuating device operated by numeralkeys, so that the amounts of the items written upon the type-writer are simultaneously registered, the depression of a single numeralkey effecting both the writing of the number and its registration. The registering mechanism, moreover, can be moved into or out of operative position at the will of the operator, so that the machine can be used to record dates or the distinguishing-numbers of articles being itemized without effecting the registering mechanism, which latter, however, can be brought into action whenever desired by the operator and when in operative position the numbers written may be simultane ously registered.

In the present easel have'shown how auxiliary registering-keys may beapplied to the type-writer so as to operate the registering mechanism, such auxiliary keys being adapted to operate the corresponding numeral-keys of the type-writing machine when depressed; but the invention is not restricted to the employment of auxiliary numeral-keys, as I have also shown how the registering mechanism can be actuated from the ordinary numeral-keys of the type-writing machine.

The accompanying drawings illustrate the invention as adapted to a Remington typewriting machine but I do not restrictv myself to its use with any particular type-writingmachine, as its ready adaptation to various wellknown commercial type-writing machines will be apparent to those skilled in the art, nor do I restrict myself to the specific features and constructions of parts shown and described, but here refer to the claims for concise summaries of the particular features and combinations of parts for which protection is asked.

In said drawings, Figure l is a top plan view of my improved adding attachment as applied to the keyboard of a type-writing. machine. Fig. 2 is a vertical section through Fig. 1 in the plane of the lever B. Fig. 2 is a detail. Fig. 3 is a horizontal section, looking downward,-taken just above the lever B C E. Fig. 3 is a detail. Fig. 4 is a view taken in the same plane as Fig. 3, but looking upward. Fig. 5 is an enlarged vertical sectional view throughthe adding mechanism, showing the carry-over devices. Figs. 6 and '7 are detail sectional views showing the key-stems and connections. Fig. 8 is an enlarged sectional view through the adding mechanism. Figs. 9 and 10 are detail front and side views of the addingframe eseapement devices.

A designates a portion of an ordinary typewriter of the Remington type having vibrating key-levers a, provided with keys a and adapted to actuate the type-bars and produce impressions upon paper carried by the platen, all as in ordinary commercial machines. The type-writer may be placed on elevating-supports A so as to give room for the underlying portions of the adding attachments, which I have shown applied thereto.

Extending beneath the bank ofkey-levers a, out of the way of the latter, is a vibrating lever B, which is p voted at one end on a shaft B, mounted in a bracket 13*, attached to the frame of the machine, and its other. end eX- tends outside of the frame and is bent upward, and on the upper end of the lever is a short horizontal arm Z), from which is suspended a swinging segment 0, hung on a pivot l), and provided with a short inwardly-extending arm a, which is pivotally connected by a pin 0 to the outer end of abent lever G, which lies beside and is similar to lever B and, like the latter, is pivoted on the shaft B, the pin 0 preferably working through a slot 11 in the lever B, so as to limit the vibration of the segment. Each lever B and G is independently pressed upward by a spring, which may be of any suitable kind and arrange ment, coil-springs B C being shown on shaft '13 for the respective levers. W hen the levers are in normal raised position, the upper edge of the main horizontal portion of lever O projects slightly above the adjacent lever B, so that the lever G will be always depressed before lever B (spring being weaker than spring B) and swing the segment outward before it can move downward. The levers may be depressed by any one of a series of key-stems D, which are arranged vertically above the levers B C and are guided in slotted plates D D suitably attached to the framework, as indicated in the drawings. In order to provide for a substantially uniform extent of movement of the stems and a substantial uniform resistance to each, the four left-hand stems D are arranged to directly engage the levers C B and are preferably slotted, as at (I, (see Fig. 6,) the stems having slots of dif- 'ferent depth, so that they will properly actuate the levers C D and depress them more or less, according to the number of the key-stem and its distance from the shaft B To reduce the resistance and increase the leverage of the other(right-hand)key-stems D, an auxiliary lever E is employed, which is pivoted on a support E in rear of levers O D and bent so as not to interfere with the four lefthand stems D. Lever E has a pin 6 projecting over levers B 0, adapted to engage therewith when lever E is depressed. The righthand stems, of higher denominations, are adapted to engage lever E and depress the latter, these stems being slotted, (see Fig. 7,) so that they will not directly engage the levers B C, but will engage lever E. Lever E is provided with a suitably-arranged liftingspring E (See Fig. 3.) Each key-stem D is provided with a lifting-spring D", Figs. 4, 6, and 7, suitably arranged to hold them normally in uplifted position. The downward movement of each stem is arrested at the proper point after it has suitably and su ff1- ciently depressed levers B C by swinging stops F, one for each stem D, pivotally suspended from plate D, as indicated at F, adjacent to their respective stems. These stops have hooks f on their lower ends, which are adapted to engage pins B on the side of lever B, beside which the stops depend. On the upper ends of stops F are lugs f, which are engaged by lips (l on the lower ends of stems D when the latter are raised, thus holding the steps out of operative position; but when any stem is depressed its lower end forces the corresponding stop into position to en gage the pin on lever B and arrest the down= ward movement of the latter at the proper point.

WVhile each numeral may be provided with a key-stem D, as described, it is convenient to utilize the 0 and 1 keys of the typewriter for these numerals, using stems D for the numerals 2, 3, 4, 5, (3, 7, S, 9, as indicated in Fig. 2 of the drawings. In said figure the 1 key is the ordinary type-writer numerahkey, to the lever of which is attached a short plate D", passing through guide D and adapted to engage lever E and to actuate a stop F, similar to the other stops. The O key is also the ordinary type-writer key, a pusher-plate B being attached to its lever and depending in position to engage apin B on lever B when the 0 key is depressed, and thereby depress lever B without affecting lever C. This 0 key connection is provided to enable the registering mechanism to be shifted without affecting a particular registering-diskfor example, in recording the sum 203 the tens-disk must not be rotated when the O key is depressed, although the registering mechanism must be shifted so that the units-disk will be operated when the 3 is *ritten, and by using the 0 key of the type-writii'i g machine for this purpose the type-writer carriage will be simultaneously spaced forward, so that the number will be properly written upon the paper simultaneously with its proper registration. The stems D of keys 2, 3, 4-, 5, 6, 7, 8, 9 are arranged adjacent to the similarly-inunbered keys 2 3 at 5 (3 7 S f) of the type-writer, (see 1 and 2,) and to the latter are attached fingers d, which project beside the related adjacent stem D and are adapted to be struck by the keys or lugs on said stems, so that when a numeral-key stem D is depressed lo register a number the corresponding numeral-key of the type-writing machine willv be depressed to write a similar number on the machine.

The registering (levices.'lhe registeringwheels Gr are axially alined and are movable past the vibrating segment 0, so that they can be successively brought into position to mesh therewith. The registering-wheels G are rotatably mounted on a shaft G beside starwhcels g", fixed on the shaft, these star-wheels being engaged. by spri.ngpawls g attached to the registerin'g-wheels, to prevent casual and improper rotations of the registeringwheels on the shaft. The shaft G is journaled in a frame H, slidably mounted on guide-rods H, supported by brackets I1 depending from the main frame, or in other convenient manner, so that the frame H can move to bring wheels G successively opposite the segment 0. The frame is moved in one direction during the registering operation by means of a spring 1-1"; but this movement is controlled by an escapcment device, so as to give a step-by-step movement to the "frame. As shown in Figs. 1, 3, 9, the frame is provided with a rearwardly-extending bar 71, on which is pivoted a laterally-movable rack-plate I, guided by pins and slots on the bar and normally pressed outward by a spring 1 This rack has two sets of teeth i i, one set above the other, the teeth alternating. The rack-teeth are adapted to engage with a rotary escapement-disk J, which is rotatably mounted on a stud-shaft H" on bracket H and is provided with a series of teeth J separated by radial slot-s J, which permit the rack-teethit" to pass as the escapement-disk rotates, thereby producing a step-by-step movement of the frame H. The teeth J 2 on disk J are so wide that before a tooth J 2 will disengage a tooth 2" it will be in position to engage a tooth 1'. Consequently when one tooth 2' passes through a slot the next tooth brings up against the side of the disk, and the further movement of frame H is arrested until a slot J registers with such tooth and allows it to slip past the disk. On the hub of the disk is aratchetj, which is engaged by a dog 75, pivoted on the end of an OS- cillating lever K, fulcrumed on the frame and extending forward to the lever B and terminating in position to be struck by said lever as it rises and be moved thereby. At each movement of lever B the disk J is moved one notch or the width of one tooth J and at each movement of lever B one of the teeth '1; or i is permitted to slip past disk J, and the fram e H is shifted sufficiently to bring another registering-wheel in position to be actuated by segment I). The dog 7.; is controlled by spring 7;, and lover K is controlled by a spring K and its movement limited by a stop K The lever K has a tooth k adapted to engage the ratchet after the dog 7a has properly moved it and prevent momentum rotation thereof. The registering-wheels G are provided with usual toothed cogs g, adapted to mesh with segment Z), backward movement of the wheels being normally prevented by dogs Z, pivoted on studs L, rising from a cross-bar L in frame H, the dogs being pressed forward by springs Z. The dogs Z have fingers Z overlying abent rod M, attached to a rock-shaft M, by rocking which the dogs can be disengaged from the cogs to permit the wheels to be reset.

The carry-over CZEZUiCQS.'EEtO11 wheel G of lower denomination (see Figs. 3, 5, andS) is provided-with a laterally-projecting cam g, which is adapted to engage a finger N on an adjacent rocking lever N, pivoted on a shaft N in frame H and pressed toward the registering-wheels by a spring N To the upper end of each lever N is pivoted a pawl 01, which engages the cog of the next higher denomination registering-wheel, and when lever N is forced back by the cam g its pawl 7L rides back, and so soon as the cam g disengages the finger l spring N throws the lever N forward and its pawl nturns the wheel of next higher denomination one notch, effecting the earrying over. By this simple arrangement of cams and levers the carrying over may be effected practically simultaneously throughout the series of registering-wheels. Forinstance, if they registered nine thousand nine hundred and ninety-nine and one more was to be added the carrying over would take place throughout the series in proper order and sequence. The movement of the units-disk is sufficient to disengage the cam from the finger releasing the earry-over lever and such lever effecting the movement of the next disk, and so on throughout the series.

The shaft M is provided with a bent rod m, which underlies pawls n, and by rocking said shaft pawls n and dogs Z are simultaneously disengaged from the cogs.

The shaft G is provided with a crank G in the hub of which is an angular notch G, normally engaged by a tooth m on the longer arm of a bell-crank lever m, pivoted at m 011 the side of frame H, the shorter arm of said lever engaging a pin m projecting radially from shaft M. When crank G is turned to the left, the notch therein rocks lever m, and

'the latter rocks shaft M so as to disengage dogs Z and pawls n from cogs g, and the shaft can then be rotated until the rear ends of cams g bring up against fingers N, which stops the registering-wheels at O position. The starwheels and pawls cause the registering-wheels to turn backward with the shaft, although the latter can be rotated thereon when shaft is locked.

Operation: The type-writer is used in writing or making up accounts in the ordinary manner, and until the registering mechanism is to be used the frame H is allowed to remain in the forward position shown in Fig. 3, so that the depression of any of the keys does not affect a registration; but when the operator desires to register an amount and is ready to write the same upon the type-writer before doing so he moves frame H back to proper osition racks i 1'" ridin over the beveled p z c edge of disk J in their rearward movement,)

and then proceeds to write the amount upon the machine just as in ordinary type-writin g. Each time he depresses a numeral-key (l to 9-) he prints the corresponding numeral on the type-writer and registers the denomination and amount thereof on the proper disk. In

the machine shown five registering-wheels are used, and when the frame H is in rearmost position the tens-of-thousands wheel would be in position for operation. If, however a less number is to be recorded, the operator should move the frame so that the wheel of the highest denomination of the number to be recorded will be in position. If, however, he has moved the frame fully back, as indicated in Fig. 1, and wants to shift it forward without registering a number until, say, the hundreds-disk is in position for actuation, he may release the frame step by step by depressing the lever 13 by means of the finger-piece b on the upper end thereof, as shown, until the frame is in proper position. For example, if the amount to be registered is three thousand one hundred and nine and the operator has moved the frame H fully back, so that the tens-of-thousands disk is in position for registration, he should first depress lever B once by means of key b and then proceed to write the number on the type-writing machine by depressing the numeral-keys 3, 1, 0, and 9 in succession. Upon depressing key 3 lever O is first depressed so as to throw the segment 0 into mesh with the thousands registering-wheel in frame H, and then lever B descends until the segment has turned the thousands-wheelthreenotches. Upon release of the key, lever C is first thrown up by spring C disengaging the segment 0 from the disk, and then both levers B and O rise to normalposition. Lever B, however, in ascending actuates lever K and permits frame D to move the distance between adjacent teeth i t",bringing the hundreds registeringwheel opposite the segment 0. Upon depressing the 1 key of the typewriter levers C and B are depressed in succession, as before, to first throw the segment 0 into mesh with the hundreds-disk and then depress it one notch, (the amount of movement given lever B by the 1 key,) and as soon as this key is released the parts return to normal position, lever B in rising again actuating lever K and permitting the frame D to move another step, bringing the tens-wheel opposite the segment 0. Upon depressing the 0 type-writer key lever B is depressed, and although lever C descends with it their relative positions are unchanged. Consequently the segment is not thrown into mesh and no registration occurs, and the tens-wheel is not turned, (although the O is written on the type-writing machine;) but as lever B rises it again actuates lever K and permits the frame H to move another step, bringing the units-wheel into position to mesh with the segment, and upon depressing key 9 the lever C is first depressed (throwing segment 0 into mesh with the registering-wheel) and then lever B, effecting the proper shifting of the units-wheel. If it is desired to shift the frame H without effecting a registration, it can be accomplished by depressing and releasing the projecting end of lever B by hand, thereby actuating lever K and letting the frame H move to desired position. After registering a number the frame H is shifted to inoperative position, where it remains until the operator again desires to record a number, whereupon he moves frame 11 back to operative position and proceeds as above described. The amounts registered on the wheels can be read through suitable openings in the cover of the frame H. An index may also be placed on the cover and move past a fixed pointer, as shown in Fig. 1, so that the operator can readily adjust the frame to record any number desired.

As the parts are susceptible of change in form and arrangement within the scope of my invention, 1 do not restrict myself to the particular construction shown and described herein, nor to the particular location of the registering-frame at the left-hand side of the machine, since it may easily be located at any convenient point by simply rearranging the parts without departing from my invention.

Having illustrated and described one practical embodiment and application of my invention, what I claim as new, and desire to protect by Letters Patent, is-

v 1.. In combination a type-writing machine, a vibrating lever, a segment hung thereon, a lever adapted to rock said segment on the first lever, and keyed connections for actuating said levers, a registering-wheel adjacent to the segment, and mechanism for bringing said wheel into position for actuation by said segment at the will of the operator.

2. In combination with a type-writing machine, a vibrating lever, a registering-wheel actuating device carried thereby, a second vibrating lever connected with said actuating device and adapted to project the same into operative position, a series of registeringwheels, mechanism for moving said registering-wheels successively to the actuating device, and keys and connections for actuating said levers, substantially as described.

3. The combination of a type-writing machine, a vibrating lever, a segment suspended thereon, a second lever connected to said segment to swing the same outwardly when depressed, and key-stems and connections for depressing said levers, a series of registeringwheels adjacent to the segment and mechanism for moving the registering-wheels successively past the segment, substantially as described. 7

4. The combination of a vibrating lever, a segment hung thereon, a second lever adapted to rock said segment on the first lever, and keyed connections for actuating said levers; with a series of registering-wheels adjacent to the segment, and mechanism for bringing said wheels successively into position for actuation by said segment.

5. The combination of a vibrating lever, a segment carried thereby, a second vibrating lever connected with said segment and adapted to throw the same into operative position when the levers are depressed, a series of registering-wheels mounted in a movable sup port, mechanism for moving said support past the segment, and key-controlled devices for actuating said levers, substantially as described.

6. The combination of a vibrating lever, a segment suspended thereon, a second lever beside the first and connected to said segment so as to swing the same outwardly when depressed, springs for returningsaid levers to normal position and key-stems and connections for depressing said levers; with a series of registering-wheels adjacent to the segment and movable therepast, and mechanism for bringing the registeringavheels into operative position at the will of the operator and moving them successively past the segment, substantially as described.

ITO

stems and connections for depressing said levers, and swinging stops for arresting the downward movement thereof; with registering-wheels adjacent to the segment adapted to mesh therewith when the latter is depressed, and means for moving said wheels successively past the segment, substantially as described.

f). The combination of a pivoted lever-,a series of key-stems adapted to directly engage therewith, a second lever beside the first lever, and engaging therewith, and a series of keystems engaging the second lever to increase their leverage 011 the first lever.

10. The combination of a vibrating lever, a segment hung thereon, keyed connections for imparting various movements to said leverand stops for limiting the movements of said lever, a movable frame beside the segment, a series of registering-wheels in said frame, and a spring for moving said frame in one direction; with an escapement device for regulating the movement of the frame comprising a rotatable slotted disk, a double-toothed rack engaging said disk, and means for partially rotating said disk each time the segment is vibrated, substantially as described.

11. The combination of a pair of vibrating levers, a segment pivoted on one lever and loosely connected with the other, so as to be swung outward thereby when the levers are depressed; key-stems and connections for depressing said levers, and spring for returning them; with a movable frame beside the segment, registering wheels in said frame, a spring for moving said frame in one direction, and an escapement mechanism for the frame comprising a double rack, and a rotatable slotted disk engaging the rack, and means actuated by said levers for rotating the disk each time the segment is depressed, substantially as described.

12. The combination of a pivoted lever,a series of key-stems adapted to directly engage therewith, asecond leverbeside the firstlever, and engaging therewith, and a series of keystems engaging the second lever to increase their leverage on the first lever, and stops pivoted beside the first lever and actuated by the said k ey-stenls to arrest the movement of the lever, substantially as described.

13. The combination of a series of registering-wheels, provided with cams, a springpressed lever besde each wheel of lower denomination having a finger engaging the cam thereof, and a pawl 011 such lever adapted to engage thenext higher wheel to carry over when the cam releases the lever, with a vibrating key -eontrolled lever, and a segment actuated by the lever adapted to e11- gage the registeringwheels, the dogs for preventing backward rotation of the wheels, a rock-shaft, rods thereon underlying the pawls and adapted to disengage them from the wheels when the shaft is rocked, and means for rocking said shaft when the wheel-shaft is turned backward.

14. The combination of a lever, a second lever pivoted beside the first, a third lever adjacent to the first two and adapted to depress the latter when itself depressed, keystems adapted to directly engage the first two levers to depress them, and other key-stems adapted to engage the third lever to cause it to depress the first two, substantially as described.

15. The combination of a lever, a second lever pivoted beside the first, a third lever adjacent to the first two and adapted to depress the latter when itself depressed, keystems adapted to directly engage the first two levers to depress them, and other keystems adapted to engage the third lever to cause it .to depress the first two; witha segment operated by the first two levers, a movable frame adjacent to the segment, a series of registering-wheels in said frames adapted to be actuated by said segment, and mechanism for moving said frame step by step past the segment to bring the registering-wheels successively into position to engage therewith, substantially as described.

16. The combination of a lever, a segment suspended from the outer end thereof, a second lever pivoted beside the first and having aconnection with said segment so as to move the latter when depressed, a third lever adjacent to the first two and adapted to depress the latter when itself depressed, key-stems adapted to directly engage the first two levers to depress them, other key-stems adapted to engage the third lever to cause it to depress the first two, and springs for returning all said parts to normal position, substantially as described.

17. The combination of'a lever, a segment suspended from the outer end thereof, a second lever pivoted beside the first and having a connection with said segment so as to move the latter when depressed, a third lever adjacent to the first two and adapted to depress the latter when itself depressed, key-stems adapted to directly engage the first two lovers to depress them, and other key-stems adapted to engage the third lever to cause it to depress the first two, and springs for returning all said parts to normal position; with a movable frame adjacent to the segment, a series of registering-wheels in said frames adapted to be actuated by said segment, and mechanism for moving said frame to bring the registering wheels successively into position to engage the segment, substantially as described.

- 18. In combination with a type-writing machine, a pair of vibrating levers arranged below the key-levers of the type -writing machine, a segment carried by one lever adapted to be rocked thereon by the other lever, a movable frame besidethe segment carryin a series of registering-wheels, means for moving the frame to bring the registering-wheels successively opposite the segment, a series of numbered key-stems adapted to actuate saidvibrating levers, stops for arresting the movement thereof, and connections whereby when anyone of said stems is depressed the correspending numeralskey lever of the type-writing machine is depressed also, all substantially as and for the purpose set forth.

19. In combination with a type-writing machine, having a series of key-levers, an adding mechanism comprising a series of registering-wheels, a vibrating lever arranged beneath the key-levers and actuated thereby, a segment on said vibrating lever, and means for throwing said segment into mesh with a registering-wheel when the vibrating lever is depressechby the depression of a key-lever, and mechanism for bringing the registeringwheels successively into position to engage said segment, substantially as described.

20. In combination with a type-writing machine, an adding mechanism comprising a vibratin g lever arran ed beneath the key-levers and actuated thereby, a segment on said vibrating levers, and means for throwing said segment into mesh with a registering-wheel when the vibrating lever depressed, by the depression of a key-lever, and a series of registering-wheels, and mechanism for bringing said registering-w]reels successively into position to engage said segment, substantially as described. 7

21. In combination with a type-writin g machine, an adding mechanism comprising a seri es of registering-wheels, movable into and out of operative position at the will of the operator, and a vibrating lever arranged beneath the key-levers and actuated thereby, a segment on said lever, and means for throwing said segment into mesh with aregisteringwheel when the vibrating lever is depressed, by depression of a key-lever, and adapted to engage any one of the registering -wheels, mechanism for bringing the registeringwheels successively into position to engage said actuating device, and keyed connections for operating saidactuating device, substan tially as described.

22. In combination with a type-writin machine, an adding mechanism comprising a vibrating and swinging segment, a lever for operating said segment arranged beneath and across the row of type-writer key-levers and adapted to be actuated thereby, a series of registering-wheels movable into and out of operative position at the will of the operator, and mechanism for bringing said registeringwheels successively into position to engage said segment, substantially as described.

The combination of a vibrating lever,

the swinging stops, and key-stems for depressing saidilever and devices actuated by the stems adapted to move the stops into operative position when the keys are depressed, substantially as described.

24. The combination of a type-writer asegment and a vibratin lever for actuating said segmentadapted to be operated by the typewriter key-levers, with a movable series of registering-wheels, an escapement mechanism therefor comprising a rotary slotted disk and a double rack and engaging said disk, and means for rotating thedisk soas to allow the registering-wheels to move successively past the segment, substantially as described.

7 25. The combination with a type-writin g machine of a vibrating lever adapted to be operated by the type-writerkey-levers, swinging stops, and key-stems for depressing said lever adaptedto actuate the stops when depressed; with a segment on said lever, and registeringwheels opposite said segment and movable successively therepast.

26. Incombination with a type-writing machine, an adding mechanism comprising vibrating levers arranged beneath the key-levers of the machine, key-stems for actuating said levers, means whereby when a key-stem is depressed the corresponding numeral-key leverof the type-writing machine is actuated, and registering mechanism operated by and from said levers, substantially as described.

27 The combination. of a pair of vibrating levers, a segment pivoted on one lever and loosely connected with the other, so as to be swung outward thereby when the levers are depressed and key-stems and connections for depressing said levers; with a movable frame beside the segment, registering-wheels in said frame, a spring for moving said frame in one direction, and an escapement mechanism for the frame actuated each time the segment is depressed, substantially as described.

28. The combination of a pair of vibrating levers, asegment pivoted on one lever and loosely connected with the other, so as to be swung outward thereby when the levers are depressed; and key-stems and connections for depressing said levers; with a movable frame beside the segment, registering-wheels in said frame, a spring for moving said frame in one direction, and an escapement mechanism for the frame actuated each time the segment is depressed, substantially as described.

In testimony that I claim the foregoing as my ownI aflix my signature in presence of two witnesses.

V ALEXANDER O. SCIIUMAN.

In presence of H. M. ESKRIDGE, J. EARLEY. 

